tor: Implement enabling/disabling

- Reorganize hidden service information

plinth/modules/tor/templates/tor.html

@@ -34,30 +34,42 @@ Tor Browser</a>.</p>
 <h3>Status</h3>
 
 <p>
-{% if is_running %}
+{% if status.is_running %}
   <div class='running-status active'></div> Tor is running
 {% else %}
   <div class='running-status inactive'></div> Tor is not running
 {% endif %}
 </p>
 
-<h3>Hidden Service</h3>
+{% if status.hs_enabled %}
+  <div class="row">
+    <div class="col-sm-3">
+      <table class="table table-bordered table-condensed table-striped">
+        <thead>
+          <tr>
+            <th>Hidden Service</th>
+            <th>Port</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr>
+            <td>{{ status.hs_hostname }}</td>
+            <td>{{ status.hs_ports }}</td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+  </div>
+{% endif %}
 
-<p>A hidden service will allow your {{ cfg.box_name }} to provide selected
-services (such as OwnCloud or Chat) without revealing its location.
-Here is the current configuration:</p>
+<h3>Configuration</h3>
 
-<ul>
-  <li>Hostname: {{ tor_hs_hostname }}</li>
-  <li>Ports: {{ tor_hs_ports }}</li>
-</ul>
-
-<form class="form form-inline" method="post">
+<form class="form" method="post">
   {% csrf_token %}
 
   {{ form|bootstrap }}
 
-  <input type="submit" class="btn btn-primary btn-sm" value="Update setup"/>
+  <input type="submit" class="btn btn-primary btn-md" value="Update setup"/>
 </form>
 
 <h3>Bridge</h3>
@@ -77,7 +89,7 @@ port-forwarded, if necessary:</p>
         </tr>
       </thead>
       <tbody>
-        {% for name, port in tor_ports.items %}
+        {% for name, port in status.ports.items %}
         <tr>
           <td>{{ name }}</td>
           <td>{{ port }}</td>

plinth/modules/tor/tor.py

@@ -32,9 +32,15 @@ from plinth import package
 
 class TorForm(forms.Form):  # pylint: disable=W0232
     """Tor configuration form"""
-    hs_enabled = forms.BooleanField(
-        label=_('Enable Hidden Service'),
+    enabled = forms.BooleanField(
+        label=_('Enable Tor'),
         required=False)
+    hs_enabled = forms.BooleanField(
+        label=_('Enable Tor Hidden Service'),
+        required=False,
+        help_text=_('A hidden service will allow FreedomBox to provide '
+                    'selected services (such as ownCloud or Chat) without '
+                    'revealing its location.'))
 
 
 def init():
@@ -63,11 +69,7 @@ def index(request):
 
     return TemplateResponse(request, 'tor.html',
                             {'title': _('Tor Control Panel'),
-                             'is_running': status['is_running'],
-                             'tor_ports': status['ports'],
-                             'tor_hs_enabled': status['hs_enabled'],
-                             'tor_hs_hostname': status['hs_hostname'],
-                             'tor_hs_ports': status['hs_ports'],
+                             'status': status,
                              'form': form})
 
 
@@ -99,7 +101,8 @@ def get_status():
         hs_hostname = hs_info[0]
         hs_ports = hs_info[1]
 
-    return {'is_running': action_utils.service_is_running('tor'),
+    return {'enabled': action_utils.service_is_enabled('tor'),
+            'is_running': action_utils.service_is_running('tor'),
             'ports': ports,
             'hs_enabled': hs_enabled,
             'hs_hostname': hs_hostname,
@@ -107,16 +110,24 @@ def get_status():
 
 
 def _apply_changes(request, old_status, new_status):
-    """Apply the changes"""
-    if old_status['hs_enabled'] == new_status['hs_enabled']:
+    """Apply the changes."""
+    if old_status['enabled'] == new_status['enabled'] and \
+       old_status['hs_enabled'] == new_status['hs_enabled']:
         messages.info(request, _('Setting unchanged'))
         return
 
-    if new_status['hs_enabled']:
-        messages.success(request, _('Tor hidden service enabled'))
-        command = 'enable-hs'
-    else:
-        messages.success(request, _('Tor hidden service disabled'))
-        command = 'disable-hs'
+    if old_status['enabled'] != new_status['enabled']:
+        if new_status['enabled']:
+            messages.success(request, _('Tor enabled'))
+            actions.superuser_run('tor', ['enable'])
+        else:
+            messages.success(request, _('Tor disabled'))
+            actions.superuser_run('tor', ['disable'])
 
-    actions.superuser_run('tor', [command])
+    if old_status['hs_enabled'] != new_status['hs_enabled']:
+        if new_status['hs_enabled']:
+            messages.success(request, _('Tor hidden service enabled'))
+            actions.superuser_run('tor', ['enable-hs'])
+        else:
+            messages.success(request, _('Tor hidden service disabled'))
+            actions.superuser_run('tor', ['disable-hs'])